# @swagger-api/apidom-parser-adapter-workflows-yaml-1
`@swagger-api/apidom-parser-adapter-workflows-yaml-1-0` is a parser adapter for the [Workflows 1.x.x specification](https://github.com/OAI/sig-workflows/blob/main/versions/1.0.0.md) in [YAML format](https://yaml.org/spec/1.2/spec.html).
Under the hood this adapter uses [apidom-parser-adapter-yaml-1-2](https://github.com/swagger-api/apidom/tree/main/packages/apidom-parser-adapter-yaml-1-2)
to parse a source string into generic ApiDOM in [base ApiDOM namespace](https://github.com/swagger-api/apidom/tree/main/packages/apidom#base-namespace)
which is then refracted with [Workflows 1.x.y Refractors](https://github.com/swagger-api/apidom/tree/main/packages/apidom-ns-workflows-1#refractors).
## Installation
After [prerequisites](https://github.com/swagger-api/apidom/blob/main/README.md#prerequisites) for installing this package are satisfied, you can install it
via [npm CLI](https://docs.npmjs.com/cli) by running the following command:
```sh
$ npm install @swagger-api/apidom-parser-adapter-workflows-yaml-1
```
## Parser adapter API
This parser adapter is fully compatible with parser adapter interface required by [@swagger-api/apidom-parser](https://github.com/swagger-api/apidom/tree/main/packages/apidom-parser#mounting-parser-adapters)
and implements all required properties.
### mediaTypes
Defines list of media types that this parser adapter recognizes.
```js
[
'application/vnd.oai.workflows;version=1.0.0',
'application/vnd.oai.workflows+yaml;version=1.0.0',
]
```
### detect
[Detection](https://github.com/swagger-api/apidom/blob/main/packages/apidom-parser-adapter-workflows-json-1/src/adapter.ts#L13) is based on a regular expression matching required Workflows 1.0.0 specification symbols in YAML format.
### namespace
This adapter exposes an instance of [Workflows 1.x.y ApiDOM namespace](https://github.com/swagger-api/apidom/blob/main/packages/apidom-ns-workflows-1/README.md#workflows-100-namespace).
### parse
`parse` function consumes various options as a second argument. Here is a list of these options:
Option | Type | Default | Description
--- | --- | --- | ---
`specObj` | `Object` | [Specification Object](https://github.com/swagger-api/apidom/blob/main/packages/apidom-ns-workflows-1/src/refractor/specification.ts) | This specification object drives the YAML AST transformation to Workflows 1.x.y ApiDOM namespace.
`sourceMap` | `Boolean` | `false` | Indicate whether to generate source maps.
`refractorOpts` | `Object` | `{}` | Refractor options are [passed to refractors](https://github.com/swagger-api/apidom/tree/main/packages/apidom-ns-workflows-1#refractor-plugins) during refracting phase.
All unrecognized arbitrary options will be ignored.
## Usage
This parser adapter can be used directly or indirectly via [@swagger-api/apidom-parser](https://github.com/swagger-api/apidom/tree/main/packages/apidom-parser).
### Direct usage
During direct usage you don't need to provide `mediaType` as the `parse` function is already pre-bound
with [supported media types](#mediatypes).
```js
import { parse, detect } from '@swagger-api/apidom-parser-adapter-workflows-yaml-1';
// detecting
await detect('workflowsSpec: 1.0.0'); // => true
await detect('test'); // => false
// parsing
const parseResult = await parse('workflowsSpec: 1.0.0', { sourceMap: true });
```
### Indirect usage
You can omit the `mediaType` option here, but please read [Word on detect vs mediaTypes](https://github.com/swagger-api/apidom/tree/main/packages/apidom-parser#word-on-detect-vs-mediatypes) before you do so.
```js
import ApiDOMParser from '@swagger-api/apidom-parser';
import * as workflowsYamlAdapter from '@swagger-api/apidom-parser-adapter-workflows-yaml-1';
const parser = new ApiDOMParser();
parser.use(workflowsYamlAdapter);
const parseResult = await parser.parse('workflowsSpec: 1.0.0', { mediaType: workflowsYamlAdapter.mediaTypes.latest('yaml') });
```